Jon's exuberance was irrepressible.

　　喬恩朝氣蓬勃，精力旺盛。

　　Their talk is often hard to fathom but their exuberance still comes through.

　　他們的談話(huà)往往很難懂，但他們的興奮之情還是顯露了出來(lái)。

　　With a little encouragement from his parents he should do well.

　　只要父母給點(diǎn)鼓勵，他應該會(huì )干得很好。

　　No amount of encouragement would make him jump into the pool.

　　再怎樣鼓勵，他也不肯往游泳池里跳。